Added a qtile profile (#924)

* Added a qtile profile

* Removed unneeded packages

* Removed xorg requirement

* Removed blank lines

* applied patch to qtile profile

* Revert "Removed xorg requirement"

This reverts commit 34e87b13ac.

* Fixed flake8

* Added qtile to the desktop selection/options.

Co-authored-by: Anton Hvornum <anton@hvornum.se>

profiles/desktop.py

@@ -33,6 +33,7 @@ __supported__ = [
 	'mate',
 	'deepin',
 	'enlightenment',
+	'qtile'
 ]
 
 

profiles/qtile.py

@@ -0,0 +1,42 @@
+# A desktop environment using "qtile" window manager with common packages.
+
+import archinstall
+
+is_top_level_profile = False
+
+# New way of defining packages for a profile, which is iterable and can be used out side
+# of the profile to get a list of "what packages will be installed".
+__packages__ = [
+	'qtile',
+	'alacritty',
+	'lightdm-gtk-greeter',
+	'lightdm',
+	'dmenu'
+]
+
+def _prep_function(*args, **kwargs):
+	"""
+	Magic function called by the importing installer
+	before continuing any further. It also avoids executing any
+	other code in this stage. So it's a safe way to ask the user
+	for more input before any other installer steps start.
+	"""
+
+	# qtile requires a functioning Xorg installation.
+	profile = archinstall.Profile(None, 'xorg')
+	with profile.load_instructions(namespace='xorg.py') as imported:
+		if hasattr(imported, '_prep_function'):
+			return imported._prep_function()
+		else:
+			print('Deprecated (??): xorg profile has no _prep_function() anymore')
+
+
+if __name__ == 'qtile':
+	# Install dependency profiles
+	archinstall.storage['installation_session'].install_profile('xorg')
+
+	# Install packages for qtile
+	archinstall.storage['installation_session'].add_additional_packages(__packages__)
+
+	# Auto start lightdm for all users
+	archinstall.storage['installation_session'].enable_service('lightdm') # Light Display Manager